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Question

If the conductivity of mercury at 0oC is 1.07 x 106 S m1 and resistance of a cell containing mercury is 0.243 Ω , then the cell constant of the cell is X×104 m1 . The value of X is ________ . (Nearest integer )

A
26.0
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B
26
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C
26.00
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Solution

Conductivity, κ=1R×G
R is resistance
G is cell constant
Thus,
1.07×106 S m1=10.243 Ω×G

Cell constant, G=26×104 m1

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